<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" />
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :rules="loginFormRules" label-width="0px" :model="loginForm" class="login_form">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" prefix-icon="iconfont icon-lock_fill"></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  export default {
    data(){
      return{
        loginForm:{
          username: 'admin',
          password: '123456'
        },
        loginFormRules:{
          //验证规则
          username:[
            { required: true, message: '请输入用户名称', trigger: 'blur' },
            { min: 3, max: 8, message: '长度在 3 到 8 个字符', trigger: 'blur' }
          ],
          password:[
            { required: true, message: '请输入用户密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ]
        }
      }
    },
    methods:{
      resetLoginForm(){
        this.$refs.loginFormRef.resetFields();
      },
      login(){
        this.$refs.loginFormRef.validate(async valid => {
          const { data: res } = await this.$http.post('login',this.loginForm);
          if (res.meta.status != 200) return this.$message.error("登录失败!")
          console.log(res)
          this.$message.success("登录成功!")
          window.sessionStorage.setItem("token",res.data.token)
          this.$router.push('/home');
          
        })
      }
    }
  };
</script>

<style lang="less" scoped>
.login_container{
  background-color: #2b4b6b;
  height: 100%;
}

.login_box{
  width: 450px;
  height: 350px;
  background-color: #FFFFFF;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);

  .avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

.btns{
  display: flex;
  justify-content: flex-end;
}

</style>
